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Vinil7 [7]
2 years ago
14

Find the area of the circle to the nearest tenth. Use 3.14 for π.

Mathematics
1 answer:
kvv77 [185]2 years ago
3 0

Answer:

Step-by-step explanation:

Use the formula for area of a circle

A = \pi r^{2}

The diameter is 8ft, if there was only a line from the middle to the edge of the circle, then it would be radius

The radius is half the diameter so divide 8 by two and you get the radius

Plug in the radius into the formula

A = (4ft)^{2} \pi

the parenthesis indicate you aren't only squaring the ft, but also the 4

4ft * 4ft = 16ft^{2}

(remember you are also multiplying the unit, in this case feet)

A = 16ft^{2} \pi

there aren't parenthesis here, meaning you aren't squaring the 16

A = 50.24ft^{2}

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